Labcorp test code for urine drug screen

SAMHSA-certified Laboratory. MedTox offers regulated and non-regulated drug-free workplace testing in its state-of-the-art laboratory that is certified by the Substance Abuse and Mental Health Services Administration (SAMHSA). In 1988, MedTox became one of the first 10 laboratories to be certified by the National Institute on Drug Abuse (NIDA).

The Labcorp Test Code for a standard Urine 12-Panel Drug Screen is 791946. This code refers to the specific test offered by Labcorp, a leading provider of clinical laboratory services. The 12-panel drug screen detects multiple substances and their metabolites in urine samples. Conclusion. The 12 panel drug test is a reliable and …Serum specimen: Usual blood collection technique. Ct/GC: Option 1: Gen-Probe® Aptima® endocervical or vaginal swab. Endocervical swab: Remove excess mucus from the cervical os and surrounding mucosa using the cleaning swab (white-shaft swab in the package with red printing). Discard this swab. Insert the specimen collection swab (blue-shaft ...17791-5. 056499. Systemic Lupus Profile A. 096343. Anti-DNA (DS) Ab Qn. IU/mL. 5130-0. Labcorp test details for Systemic Lupus Erythematosus (SLE) Profile A.Offices of Insurance Commissioner Address: West Virginia Offices of the Insurance Commissioner P.O. Box 50540 Charleston, West Virginia 25305-0540 Telephone: (304) …Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 620170: Creatine and GAA Urine: 620171: Creatine Result: 34275-8: 620170: Creatine and GAA Urine: 620190: Guanidinoacetate Result: 34155-2: 620170: Creatine and GAA Urine: 620172: Interpretation: 79292-9: 620170: Creatine and GAA Urine: 630854: PDF: 80563-0Labcorp test details for Opiates, Screen Only, Whole Blood. Skip to main content Close Menu. Logins. Individuals & Patients ... Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 791550: Opiates Screen ONLY, WB: 791551: Opiates: 51691-4: 791550: Opiates Screen ONLY, WB: 791549: Oxycodone: 72402-1: 791550:When urine or other matrices are not ideal, Labcorp offers drug testing of blood specimens. Blood analysis may be appropriate in situations when it is suspected that a person is actively under the influence of drugs or alcohol. Since drugs are rapidly metabolized and eliminated from the body, blood analysis offers a very brief detection window.Labcorp test details for Opiate/Oxycodone Screen With Reflex Confirmation, Whole ... by LabCorp. It has not been cleared or approved by the US Food and Drug Administration (FDA). Methodology. ... LOINC® Map. Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 700883: Opiate/Oxy, Scr w/Conf, WB: 700931 ...

This will lead to a differential glomerular filtration rate for κ-FLC and λ-FLC and may explain the observed ratio of κ-FLC to λ-FLC of 0.625 in serum compared to the ratio of bound κ to λ of 2.0. The laboratory will perform FLC analysis on urine, but a serum sample is preferred for many reasons. Analogous to glucose metabolism, FLC spill ...Oral Fluid Drug Testing. Oral fluid may be used as an alternative to urine in workplace drug testing programs. A full menu of test options and panel configurations are available. Quantitative buffered collection devices are provided for simple, observed sample collections that are transported to MedTox for testing.LabCorp test details for Alcohol Biomarkers (Ethyl glucuronide (ETG) and Ethyl sulfate (ETS)), quantitative, urineUse. Determine antimicrobial susceptibility of organisms involved in infectious processes when the susceptibility of the organism cannot be predicted from its identity. The pattern of antibiotic susceptibility is sometimes used to monitor nosocomial infections such as methicillin-resistant Staphylococcus aureus and to evaluate or follow the ...MedTox's medical drug monitoring program, Labcorp MedWatch®, provides unparalleled choice, flexibility, and clinical value for your specific monitoring needs and offers a comprehensive test menu with the ability to identify many unique metabolites within each drug class. Testing options include ToxAssure ® Comprehensive, which identifies 26 ...Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 809643: Trazodone (Desyrel), Urine: 809644: Trazodone: ng/mL: 27059-5Use. Urine porphyrins are useful for the evaluation of cutaneous photosensitivity to exclude porphyria cutanea tarda (PCT). Evaluation of neurologic and/or psychiatric symptoms associated with acute porphyrias, such as acute intermittent porphyria (AIP), requires urine porphobilinogen (PBG) testing. Refer to Porphobilinogen (PBG), Quantitative ...Reflex Table for HIV Ab/p24 Ag Screen; Order Code Order Name Result Code Result Name UofM Result LOINC; Reflex 1: 083940: HIV 1/2 Ab Differentiation: 083954: Interpretation: 80203-3: Reflex 2: 083962: HIV-1/HIV-2 Qualitative RNA: 083944: HIV 1/2 Supplemental Ab Test: N/A

Labcorp test details for Amphetamines, Screen and Confirmation, Urine (Pain Management) Skip to main content ... Drug-Free Workplace; COVID-19 Testing; ... Reflex Table for Amphetamines Screen, Urine; Order Code Order Name Result Code Result Name UofM Result LOINC; Reflex 1: 737683:Labcorp is a leading provider of medical laboratory services, offering a wide range of tests and screenings to help individuals maintain their health and well-being. Labcorp has nu...Methodology. Initial presumptive testing by liquid chromatography tandem mass spectrometry (LC/MS-MS); presumptive positives confirmed by definitive liquid chromatography tandem mass spectrometry (LC/MS-MS). LabCorp test details for Designer Benzodiazepines, Screen w/Confirmation, Urine Clinical.Use. Work-up for abdominal pain, epigastric tenderness, nausea, and vomiting. An enzyme with molecular weight of 45 to 55 kilodaltons, urinary amylase is used in the differential diagnosis of pancreatitis. It is very useful in diagnosis of pseudocyst of the pancreas, where the urine amylase may remain elevated for weeks after the serum amylase .... Initial screen of the Alcohol Metabolites drug class. If screen is positive, a confirmation will be performed at an additional charge (CPT code (s): 80321 HCPCS: G0480). …

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Expected Turnaround Time. 3 days. Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.Myoglobin, Quantitative, Random Urine. TEST: 003079. CPT: 83874. Print Share Include LOINC® in print. 3 - 4 days. Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional ...Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 701866: Oxycodone/Oxymorphone Scr, Ur: 737085: Oxycodone/Oxymorphone, Urine: ng/mL: 58430-0: 701866: Oxycodone/Oxymorphone Scr, Ur: 733163: Please Note: 77202-0 A Donor with External Urine Bag. If a donor has an external urine bag, please contact Labcorp Occupational Testing Services (OTS) at 800-833-3934. Our staff will coordinate your urine collection at a facility equipped to provide assistance. Your health and wellbeing is our top priority. Reflex 1. 008852. Result. 997885. Antimicrobial Susceptibility. 23658-8. Labcorp test details for Urine Culture, Prenatal, With Group B Streptococcus Susceptibility Reflex.

Screen with confirmation. Important: Orders for this test must be placed by phone. Please call Request A Test at 1-888-732-2348 to order. Specimen Type: Urine. Description: 10 Panel Urine Drug Test (Quest) The 10 Panel Urine Drug Test looks for common drugs of abuse in a urine sample.Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 912081: Drug Screen 17 w/Conf, UR: 69739-1: 910441: Creatinine: mg/dL: 2161-8Find the right test for your needs. Search our comprehensive test menu which includes both specialty and general laboratory testing services. Search and view our catalog of drug tests. We are continually adding assays to our available test menu.Additional Information. Albumin accounts for approximately 50% of the protein in plasma. 2 The kidney works to prevent the loss of albumin into the urine through active resorption, but a small amount of albumin can be measured in urine of individuals with normal renal function. The prognostic value of consistently elevated albumin levels is ...Available urine drug screen rapid tests range from one to nine drugs including: Amphetamine. Methamphetamine. Ecstasy. Marijuana metabolite. Cocaine. Opiates …Find the right test for your needs. Search our comprehensive test menu which includes both specialty and general laboratory testing services. Search and view our catalog of drug tests. We are continually adding assays to our available test menu.Labcorp test details for Dextromethorphan (DM) and Metabolite, Quantitative, Urine. Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test Results Pay a Bill Shop for Tests . View Individuals & Patients Page ... Result Code Result Code Name UofM Result LOINC; 790340: Dextromethorphan + Mtb, Ur Qt: 790341 ...5 - 10 days. Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider.Methodology. Initial presumptive testing by immunoassay at a testing threshold of 5 ng/mL; presumptive positives confirmed to limit of quantitation by definitive liquid chromatography/tandem mass spectrometry (LC/MS-MS) LabCorp test details for Buprenorphine, Screen with Confirmation, urine.

LabCorp test details for Drug Screen 12 with reflex Confirmation (AMP,BAR,BZO,COC,PCP,THC,OPI,OXY,MD,FENT,BUP,PPX), whole blood

Reflex 1. 737697. Barbiturates Conf, MS, UR. 733157. Please Note: 77202-0. CPT Statement/Profile Statement. Labcorp test details for Barbiturates, Screen and Confirmation, Urine (Pain Management) Opioids is a general term applied to all substances with morphine-like properties and describes naturally-occurring or semisynthetic analgesic alkaloids derived from opium. Some important semisynthetic derivatives of morphine include heroin and its metabolite, 6-acetylmorphine; oxycodone; codeine; hydrocodone; oxymorphone; dihydrocodeine; and ... Labcorp test details for Anabolic Steroids, Screen and Confirmation, Urine. Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test Results Pay a Bill ... Result Code Result Code Name UofM Result LOINC; 790348: Anabolic Steroid Screen: 790347: Bolasterone: 3402-5:Labcorp test details for Phencyclidine (PCP), Screen Only, Urine. Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test ... Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 701871: Phencyclidine Screen, Urine: 3936-2: 737755:Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 912470: ToxAssure Flex 24, Ur: 87428-9: 910454: Summary Report: 66149-6: 912470Expected Turnaround Time. 3 days. Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.Find the right test for your needs. Search our comprehensive test menu which includes both specialty and general laboratory testing services. Genes. Search Results. Number. Name. Specimen.

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Drug detection times vary depending on the dose, sensitivity of the testing method used, preparation and route of administration, duration of use (acute or chronic), the matrix that is analyzed, the molecule or metabolite that is looked for, the pH and concentration of the matrix (urine, oral fluid), and variations in metabolic and renal clearance. 2 In general, the detection time is longest ... Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 912334: ToxAssure Flex 15, Ur: 910454: Summary Report: 66149-6: 912334: ToxAssure Flex 15, UrLabcorp test details for Syphilis: ... This test is intended to support screening and diagnosis of syphilis infections. This test aligns with the CDC-supported reverse serologic testing algorithm for syphilis using a combination of both treponemal and nontreponemal antibody tests. ... Order Code Order Code Name Order Loinc Result Code Result ...Labcorp test details for Sulfate, Quantitative, 24-Hour Urine. Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test ... Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 123307: Sulfate, Quant, 24-Hour Urine: 121304:Labcorp test details for Monitor Screen 13-Drug Class Profile ... Monitor Screen 13-Drug Class Profile (Labcorp MedWatch®) TEST: 733690 . Test number copied. CPT: 80307. ... Urine; Order Code Order Name Result Code Result Name UofM Result LOINC; Reflex 1: 788923: Specific Gravity:Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 912335: ToxAssure Flex 23, Ur: 910454: Summary Report: 66149-6: 912335: ToxAssure Flex 23, Urng/mL. 16233-9. 763910. Benzodiazepines Confirm, Urine. 53745-6. 733157. Please Note: 77202-0. Labcorp test details for Benzodiazepine and Metabolite Confirmation (Labcorp MedWatch®) Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 700845: Drug Screen 13 w/Conf, Serum: 72479-9: 700714: AMPHETAMINES, IA Labcorp test details for Polychlorinated Biphenyls (PCB) Congeners, Screen and Confirmation ... Drug-Free Workplace; COVID-19 Testing; Flu Vaccinations; ... Reflex Table for PCB Screen; Order Code Order Name Result Code Result Name UofM Result LOINC; Reflex 1: 790884: PCB, Serum Confirmation:The test code for urine drug screen is 791194, which includes a comprehensive panel of drugs and metabolites. The test method is immunoassay and liquid chromatography/tandem mass spectrometry, and the turnaround time is 5-7 days. ….

The rate of glycolysis, reported to average 5% to 7% [~0.6 mmol/L (10 mg/dL)] per hour, varies with the glucose concentration, temperature, white blood cell count and other factors. Glycolysis can be attenuated by inhibition of enolase with sodium fluoride (2.5 mg fluoride/mL of blood) or, less commonly, lithium iodacetate (0.5 mg/mL of blood).Specimen validity testing (SVT) is performed on a urine drug screen specimen to detect substitution, adulteration, or dilution. See the Drugs of Abuse Reference Guide for additional information on SVT.Use of a Medical Review Officer is recommended to evaluate out of range SVT results.Serum specimen: Usual blood collection technique. Ct/GC: Option 1: Gen-Probe® Aptima® endocervical or vaginal swab. Endocervical swab: Remove excess mucus from the cervical os and surrounding mucosa using the cleaning swab (white-shaft swab in the package with red printing). Discard this swab. Insert the specimen collection swab (blue-shaft ...Opioids is a general term applied to all substances with morphine-like properties and describes naturally occurring or semisynthetic analgesic alkaloids derived from opium. Some important semisynthetic derivatives of morphine include heroin and its metabolite 6-acetyl morphine, oxycodone, codeine, hydrocodone, oxymorphone, dihydrocodeine, and ...Labcorp test details for Urine Cytology. Skip to main content Close Menu. Logins ... Social Security number, previous malignancy, drug therapy, radiation therapy, and all other pertinent clinical information, including history of alcohol abuse, on the request form. ... NonGyn CPT Code Automation: N/A: 009068: Urine Cytology: 47525-1: 019065 ...Labcorp test details for Synthetic Cannabinoids (K2, Spice), Screen with Reflexed Confirmation, Qualitative, UrineLabcorp drug test (used UPass synthetic urine) I took a drug test at Labcorp and they sent it to the lab. I used U Pass and made sure it was at the proper temperature. I seen the piece of paper where they marked it was at the correct temperature. I am now wondering what my chances are of passing.Labcorp test details for Lead, Urine. Skip to main content Close Menu. Logins. Individuals & Patients ... Employee Biometric Screening; Employee Health Coaching; Drug-Free Workplace; COVID-19 Testing; ... Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 007633: Lead, Urine: 20625-0:The only "detox" that works, is working out insanely hard, and drinking a ton of water. Keep in mind, if you drink to much water before the test, they'll know and fail you. Your creatinine levels are monitored to make sure you arnt loading water. For me, I need 14 days to pass a 5ng Cut off as a heavy daber, 140 pounds.Reflex Table for Amphetamines Screen, Urine; Order Code Order Name Result Code Result Name UofM Result LOINC; Reflex 1: 737683: Amphetamines Conf, MS, UR: 737687: Amphetamine Conf, MS, UR: ng/mL: 16234-7 Labcorp test code for urine drug screen, LabCorp test details for Zolpidem, urine. 3 days Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider., Collection. On collection of random urine, it is advisable not to use first voided morning specimen, late evening specimen after 8 PM, or specimen obtained following excessive fluid intake. Transfer the urine into a Labcorp amber plastic frozen transport tube with amber cap (Labcorp No. 78656). If ordered with Δ-ALA, pH must be <6., Amitriptyline is a tricyclic antidepressant that blocks the reuptake of serotonin at nerve endings and possesses high anticholinergic activity and cardiovascular toxicity. The drug is extensively metabolized to many polar compounds, the chief of which is nortriptyline. It is also an antidepressant. Both drugs are prescribed for depression and a ..., Labcorp test details for Hydrocodone and Metabolite, Urine., Laboratory Test Catalog ... Epic Code LAB1230496 Urine Drug Confirmation (23 Targets) Test Name Alias. UDS | DOA. Interface Order Alias. 1230496. ... Samples with creatinine <20 mg/dL may be too dilute for accurate drug detection. pH Screen UR. 4.00 - 8.50 . SG Screen UR. 1.003 - 1.030. Performing Department., When minutes count, Labcorp's rapid test programs offer drugs of abuse screening that is rapid and reliable. Rapid point-of-collection testing (POCT) provides on-site screening for drugs of abuse, urine specimen validity and saliva alcohol following Labcorp's chain of custody protocol. We perform rapid tests in many of our patient service ..., Labcorp test details for Barbiturates, Screen Only, Urine. Skip to main content Close Menu. Logins. Individuals & Patients ... Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 701863: Barbiturates Screen, Urine: 737696: Barbiturates Screen, Urine: ng/mL: 19270-8: 701863: Barbiturates Screen, Urine: 733163 ..., Workplace Drug Testing. Labcorp understands that a healthy, productive workforce begins with a drug-free workplace. Our comprehensive menu of laboratory-based and rapid substance abuse testing options is designed to meet the needs of most workplace testing programs. Broad testing options and consistently good service are the primary focus of ... , A timed 24-hour urine collection is the preferred specimen for measuring and interpreting this urinary analyte. Random collections normalized to urinary creatinine may be of some clinical use in patients who cannot collect a 24-hour specimen, typically small children. The mean urinary citrate excretion rate in patients with idiopathic calcium ..., Workplace Drug Testing. Labcorp understands that a healthy, productive workforce begins with a drug-free workplace. Our comprehensive menu of laboratory-based and rapid substance abuse testing options is designed to meet the needs of most workplace testing programs. Broad testing options and consistently good service are the primary focus of ..., Expected Turnaround Time. 5 days. Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary., Labcorp test details for Sulfonylurea Analysis, Urine. Skip to main content Close Menu. Logins ... Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 811089: Sulfonylurea Screen QT, Ur: 811090: Acetohexamide, UR: ug/mL: 27164-3: 811089: Sulfonylurea Screen QT, Ur: 811093: Chlorpropamide, UR: …, This test was developed and its performance characteristics determined by Labcorp. It has not been cleared or approved by the Food and Drug Administration., Reflex Table for Amphetamines Screen, Urine; Order Code Order Name Result Code Result Name UofM Result LOINC; Reflex 1: 737683: Amphetamines Conf, MS, UR: 737687: Amphetamine Conf, MS, UR: ng/mL: 16234-7, Find your nearest lab location and schedule an appointment using the search below. To make an appointment or get detailed lab information use the search below. Walk-ins are also welcome. Please note that not all lab locations offer all services. *All fields are required, except ones marked as optional. Locate Me OR. Reason for your visit. Radius., Drug detection times vary depending on the dose, sensitivity of the testing method used, preparation and route of administration, duration of use (acute or chronic), the matrix that is analyzed, the molecule or metabolite that is looked for, the pH and concentration of the matrix (urine, oral fluid), and variations in metabolic and renal clearance. 2 In general, …, Labcorp test details for Monitor Screen 13-Drug Class Profile ... Monitor Screen 13-Drug Class Profile (Labcorp MedWatch®) TEST: 733690 . Test number copied. CPT: 80307. ... Urine; Order Code Order Name Result Code Result Name UofM Result LOINC; Reflex 1: 788923: Specific Gravity:, Labcorp Corporate Solutions User Registration Form. For employer, service provider or medical review officer user access. Send completed registration forms to Labcorp occupational testing services by faxing 919-481-5444 or emailing [email protected]. User Registration., When minutes count, Labcorp's rapid test programs offer drugs of abuse screening that is rapid and reliable. Rapid point-of-collection testing (POCT) provides on-site screening for drugs of abuse, urine specimen validity and saliva alcohol following Labcorp’s chain of custody protocol. We perform rapid tests in many of our patient service ..., Labcorp test details for Syphilis: ... This test is intended to support screening and diagnosis of syphilis infections. This test aligns with the CDC-supported reverse serologic testing algorithm for syphilis using a combination of both treponemal and nontreponemal antibody tests. ... Order Code Order Code Name Order Loinc Result Code Result ..., Labcorp test details for Meprobamate Confirm, Urine. Skip to main content Close Menu. Logins ... Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 761738: Meprobamate Confirm, Urine: 761739: Meprobamate: 58373-2: 761738: Meprobamate Confirm, Urine: 761740: Meprobamate Conf, MS, UR: ng/mL: 58374-0: 761738:, Labcorp test details for Tapentadol, Screen and Confirmation, Urine ... Drug-Free Workplace; ... Urine; Order Code Order Name Result Code , For clinical consultation, please call 1-866-593-0157. LabCorp test details for Compliance Drug Profile without THC, urine., When minutes count, Labcorp's rapid test programs offer drugs of abuse screening that is rapid and reliable. Rapid point-of-collection testing (POCT) provides on-site screening for drugs of abuse, urine specimen validity and saliva alcohol following Labcorp’s chain of custody protocol. We perform rapid tests in many of our patient service ... , This test is useful in the initial evaluation of patients with suspected Cushing syndrome (CS). 1,2 Patients with CS usually have urine free cortisol >100 μg/24 hours, but there is wide variation and no single cutoff can be used safely. If the 24-hour urine free cortisol is elevated, additional testing is indicated to differentiate among ..., Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 713323: Drug Screen 14 w/Conf,Peds,UR: 910441: Creatinine: mg/dL: 2161-8 , ICD-10 Codes; Lab Certifications & Accreditations ... is the unit of measure most commonly used to express drug testing cut-off levels and quantitative test results in urine and oral fluid. A nanogram is 10-9 grams. Was this helpful? yes 409. no ... Labcorp performs initial drug screening using immunoassay. An immunoassay is a test that uses ..., Drug detection times vary depending on the dose, sensitivity of the testing method used, preparation and route of administration, duration of use (acute or chronic), the matrix that is analyzed, the molecule or metabolite that is looked for, the pH and concentration of the matrix (urine, oral fluid), and variations in metabolic and renal clearance. 2 In general, the detection time is longest ... , No, specimen validity testing is performed simultaneously with the initial drug screens. Depending upon the drug screen and the specimen validity results, the laboratory will release (1) both the drug screen and the specimen validity test results, (2) the specimen validity test results only, or (3) the drug screen results only., No, specimen validity testing is performed simultaneously with the initial drug screens. Depending upon the drug screen and the specimen validity results, the laboratory will release (1) both the drug screen and the specimen validity test results, (2) the specimen validity test results only, or (3) the drug screen results only., Learn all about LabCorp drug testing procedures in five minutes. Learn exactly what happens with pre-employment drug testing at LabCorp, the process of hearing about urine sample drug test results, and about LabCorp oral fluid drug testing processes as well. Also learn about how LabCorp processes could be unusual so you don’t get caught out, …, Initial presumptive testing by immunoassay at the following testing thresholds: amphetamines, 50 ng/mL; barbiturates, 0.1 µg/mL; benzodiazepines, 20 ng/mL; cocaine metabolite, 25 ng/mL; opiates, 5 ng/mL; oxycodones, 5 ng/mL; phencyclidine (PCP), 8 ng/mL; tetrahydrocannabinol (THC), 5 ng/mL; presumptive positives confirmed to limit of ..., When urine or other matrices are not ideal, Labcorp offers drug testing of blood specimens. Blood analysis may be appropriate in situations when it is suspected that a person is actively under the influence of drugs or alcohol. Since drugs are rapidly metabolized and eliminated from the body, blood analysis offers a very brief detection window.